Archive: 01/23/2007
Scientists observe drumlin beneath ice sheet
Scientists have discovered a warehouse-sized drumlin – a mound of sediment and rock – actively forming and growing under the ice sheet in Antarctica. Its discovery, and the rate at which it was formed, sheds new light on ...
Space & Earth / Earth Sciences
Jan 23, 2007 |
4.2 / 5 (6) |
0
Paleontologists discover most primitive primate skeleton
The origins and earliest branches of primate evolution are clearer and more ancient by 10 million years than previous studies estimated, according to a study featured on the cover of the Jan. 23 print edition ...
Other Sciences / Archaeology & Fossils
Jan 23, 2007 |
3.7 / 5 (11) |
0
Thinking with the spinal cord?
Two scientists from the University of Copenhagen have demonstrated that the spinal cord use network mechanisms similar to those used in the brain. The discovery is featured in the current issue of Science.
Medicine & Health / Medical research
Jan 23, 2007 |
4.6 / 5 (7) |
0
'Terror bird' arrived in North America before land bridge, study finds
A University of Florida-led study has determined that Titanis walleri, a prehistoric 7-foot-tall flightless "terror bird," arrived in North America from South America long before a land bridge connected the two continents.
Other Sciences / Archaeology & Fossils
Jan 23, 2007 |
4.2 / 5 (9) |
0
Hydrogen-powered lawnmowers?
In a breakthrough that could make fuel cells practical for such small machines as lawnmowers and chainsaws, researchers have developed a new mechanism to efficiently control hydrogen fuel cell power.
Jan 23, 2007 |
4.3 / 5 (33) |
0
New dopamine brain target discovered
A team of Canadian researchers, lead by Dr. Susan George and Dr. Brian O'Dowd at the Centre for Addiction and Mental health (CAMH), discovered a distinct dopamine signalling complex in the brain. Composed of two different ...
Medicine & Health / Medical research
Jan 23, 2007 |
5 / 5 (2) |
0
Turning an axel mounted molecular wheel
Researchers at the Centre for Material Development and Structural Studies in Toulouse (CEMES-CNRS) and their colleagues at the Free University of Berlin have, for the first time, managed to control the rotation of a wheel ...
Jan 23, 2007 |
4.4 / 5 (7) |
0
North America's wind patterns shifted significantly in the past 30,000 years
Dartmouth researchers have learned that the prevailing winds in the mid latitudes of North America, which now blow from the west, once blew from the east. They reached this conclusion by analyzing 14,000- to ...
Space & Earth / Earth Sciences
Jan 23, 2007 |
4.3 / 5 (16) |
0
Taking entanglement beyond one ebit
“Entanglement is a main part of quantum mechanics, and it is important to obtain a high degree of it in physical systems,” Lucas Lamata tells PhysOrg.com. Lucas Lamata is a scientist with the Institute for Fundamental Mathem ...
Jan 23, 2007 |
3.8 / 5 (24) |
0
Common mechanisms for viral DNA replication
How DNA replicates is a critical question for understanding life. DNA replication remains difficult to investigate in eukaryotes,where it occurs within the confines of the double-membrane nucleus.
Biology /
Jan 23, 2007 |
3.5 / 5 (2) |
0
Who laid the first egg?
A decade ago, Shuhai Xiao, associate professor of geosciences at Virginia Tech, and his colleagues discovered thousands of 600-million-year-old embryo microfossils in the Doushantuo Formation, a fossil site ...
Other Sciences / Archaeology & Fossils
Jan 23, 2007 |
4.1 / 5 (7) |
0
The floral network -- What determines who pollinates whom
A field of spring wildflowers, abuzz with busy insects seeking nectar and spreading pollen, may look like a perfect model of random interaction. But ecologists have discovered order within this anarchy. For ...
Biology /
Jan 23, 2007 |
3.7 / 5 (3) |
0
Light-Emitting Diodes for Night-Vision Displays
More and more, conventional inorganic semiconductor electronics are being complemented with organic components. For example, flexible displays, large illuminated displays, or flat-panel displays can be made from organic light-emitting ...
Jan 23, 2007 |
4.1 / 5 (19) |
0
- Pages: 1 2
